A B C or D? because I'm not understanding

Do u just plot the numbers on the graph like (1,

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.